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RN137 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RN137: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: PERSONAL OXYGEN SUPPLY SYSTEM (POSS) FOR HIGH ALTITUDE PARACHUTISTS (HAPLSS) CANOPY. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-518-6949, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RN137
NSN: 5331-01-518-6949
FSC: 5331 — O-ring
CAGE: K6287 — RFD BEAUFORT LIMITED (GBR)
SPECIFICATIONS
end_item_identificationPERSONAL OXYGEN SUPPLY SYSTEM (POSS) FOR HIGH ALTITUDE PARACHUTISTS (HAPLSS) CANOPY
NSN5331-01-518-6949
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RN137 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONPERSONAL OXYGEN SUPPLY SYSTEM (POSS) FOR HIGH ALTITUDE PARACHUTISTS (HAPLSS) CANOPY
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
RN133Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RN137?
RN137 is a O-RING.
What parts can replace RN137?
There is 1 known substitute for RN137: RN133. Substitute compatibility should be verified for your specific system.
What is the NSN for RN137?
RN137 is cataloged in the U.S. Government catalog under NSN 5331-01-518-6949. This indicates validated use in U.S. government and defense supply chains.
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